Resulting from increased nutrient loss or increased metabolic demand (e.g., due to chronic illness, cancer, or malabsorption).

PEM is a leading cause of morbidity and mortality among children under five. Resulting from inadequate food intake.

Protein Energy Malnutrition (PEM): A Comprehensive Guide Protein Energy Malnutrition (PEM) remains one of the most critical public health challenges globally, particularly in developing nations. This guide provides a detailed overview of the condition, structured to help educators, students, and healthcare professionals develop a comprehensive . 1. Defining Protein Energy Malnutrition

Protein Energy Malnutrition refers to a range of pathological conditions arising from a coincidental lack of dietary protein and calories in varying proportions. It is most commonly seen in infants and young children and is often associated with infections. Key Classification (Gomez and Wellcome Trust) Predominantly protein deficiency. Marasmus: Predominantly energy (calorie) deficiency.

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A clinical hybrid where features of both are present. 2. Epidemiology and Prevalence